5
5mg
2
However, specific indications, such as a mechanical mitral valve, require
INR monitoring is most commonly required for the patients who are on warfarin, a vitamin K antagonist
Target INR range Warfarin dose Date for next INR check Name of the clinic or provider
Baseline INR: (for patients not previously on warfarin) For scheduled surgical patients
Answers to Common Questions About Warfarin and INR Testing
The model was externally validated on data from 5730 warfarin-treated
5-5mg ampule po x1
Avoid or drink only small amounts of these when taking warfarin: Cranberry juice
A healthy patient who is not taking warfarin should have an INR of approximately 1
5 to 3
Clotting factors are produced by the liver and help control bleeding
2
with warfarin Check with your doctor, as many prescription medicines interact with warfarin Tell your doctor and pharmacist about allthe medicines you take Special tests your doctor may prescribe You must have blood tests (called INR) checked regularly Your doctor will determine the right INR level (usually between 2 and 3
Initiation of warfarin should be individualized depending on the clinical scenario
2 Given the fluctuations in the INR level in some patients, this laboratory test should ideally be performed within several hours of surgery
5: 3
The dose of phytomenadione may be repeated after 24 hours if the INR is still Atrial Fibrillation
In patients with non-valvular AF that is persistent or paroxysmal and at high risk of stroke (i
Foods that contain more than 60 mcg per serving should be avoided in large portions
*Before taking Coumadin®(warfarin), most people have an INR of 1
Of the newly initiated warfarin patients, one patient suffered from new thrombus formation during hospital stay and 6 (5%) patients had INR values ⩾5 during hospital stay compared with 8 (6